The American School of Gas Measurement Technology (ASGMT) has been at the forefront of Flow Measurement training since its inception in 1966. Over the years, ASGMT has evolved to encompass comprehensive training in both gas and liquids measurement. With a commitment to excellence, ASGMT now offers an extensive curriculum comprising over 115 lecture classes, complemented by 48 Hands-On Product Training sessions led by industry experts.

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September 16th – 19th, 2024

Fundamentals of Pressure Relief Valves

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February 11, 2015

What Are They and Why Are They Needed

What: A stand-alone device that opens and re-closes at a pre-selected pressure, containing an orifice sized to flow a required capacity to prevent / avoid overpressure.

Why: All natural gas equipment (pipelines, pressure vessels, air-cooled heat exchangers, compressor cylinders, odorant tanks, instrument control lines, valves, underground storage, industrial-residential-commercial system supply) has a maximum allowable operating pressure (MAOP) rating. Pressure ratings (MAOP) of each piece of equipment may be different. Pressure relief valves with proper application will prevent overpressure above MAOP. Set point is dictated by the lowest MAOP equipment in the system.

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